1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/ipc/chromium/src/third_party/libevent/evsignal-internal.h Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,64 @@ 1.4 +/* 1.5 + * Copyright 2000-2007 Niels Provos <provos@citi.umich.edu> 1.6 + * Copyright 2007-2012 Niels Provos and Nick Mathewson 1.7 + * 1.8 + * Redistribution and use in source and binary forms, with or without 1.9 + * modification, are permitted provided that the following conditions 1.10 + * are met: 1.11 + * 1. Redistributions of source code must retain the above copyright 1.12 + * notice, this list of conditions and the following disclaimer. 1.13 + * 2. Redistributions in binary form must reproduce the above copyright 1.14 + * notice, this list of conditions and the following disclaimer in the 1.15 + * documentation and/or other materials provided with the distribution. 1.16 + * 3. The name of the author may not be used to endorse or promote products 1.17 + * derived from this software without specific prior written permission. 1.18 + * 1.19 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1.20 + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1.21 + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1.22 + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 1.23 + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 1.24 + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 1.25 + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 1.26 + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 1.27 + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 1.28 + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 1.29 + */ 1.30 +#ifndef _EVSIGNAL_H_ 1.31 +#define _EVSIGNAL_H_ 1.32 + 1.33 +#ifndef evutil_socket_t 1.34 +#include "event2/util.h" 1.35 +#endif 1.36 +#include <signal.h> 1.37 + 1.38 +typedef void (*ev_sighandler_t)(int); 1.39 + 1.40 +/* Data structure for the default signal-handling implementation in signal.c 1.41 + */ 1.42 +struct evsig_info { 1.43 + /* Event watching ev_signal_pair[1] */ 1.44 + struct event ev_signal; 1.45 + /* Socketpair used to send notifications from the signal handler */ 1.46 + evutil_socket_t ev_signal_pair[2]; 1.47 + /* True iff we've added the ev_signal event yet. */ 1.48 + int ev_signal_added; 1.49 + /* Count of the number of signals we're currently watching. */ 1.50 + int ev_n_signals_added; 1.51 + 1.52 + /* Array of previous signal handler objects before Libevent started 1.53 + * messing with them. Used to restore old signal handlers. */ 1.54 +#ifdef _EVENT_HAVE_SIGACTION 1.55 + struct sigaction **sh_old; 1.56 +#else 1.57 + ev_sighandler_t **sh_old; 1.58 +#endif 1.59 + /* Size of sh_old. */ 1.60 + int sh_old_max; 1.61 +}; 1.62 +int evsig_init(struct event_base *); 1.63 +void evsig_dealloc(struct event_base *); 1.64 + 1.65 +void evsig_set_base(struct event_base *base); 1.66 + 1.67 +#endif /* _EVSIGNAL_H_ */